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Finding the Fourth Proportional to 8,441.55, 12,662.34 and 2,201.55

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Solution

The fourth proportional to 8,441.55, 12,662.34 and 2,201.55 is: 3,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.55 : 12,662.34 = 2,201.55 : x
  2. Step 2: Convert to fraction form
    8,441.55/12,662.34 = 2,201.55/x
  3. Step 3: Cross multiply
    8,441.55x = 12,662.34 × 2,201.55
  4. Step 4: Simplify right side
    8,441.55x = 27,876,766.37
  5. Step 5: Solve for x
    x = 27,876,766.37/8,441.55
  6. Step 6: Final answer
    x = 3,302.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.